14
DUALWATCH/TRI-WATCH
5
■
Description
Dualwatch monitors Channel 16 while you are receiving
on another channel; Tri-watch monitors Channel 16 and the
call channel while receiving another channel. Dualwatch/Tri-
watch is convenient for monitoring Channel 16 when you are
operating on another channel.
■
Operation
q
Select Dualwatch or Tri-watch in Set mode. (p. 56)
w
Rotate
[DIAL]
to select the desired operating channel.
e
Push
[CH/WX•DUAL•U/I/C]
for 1 sec. to start Dualwatch
or Tri-watch.
• “
D
DU
UA
AL
L 1
16
6
” appears during Dualwatch; “
T
TR
RI
I 1
16
6
” appears dur-
ing Tri-watch.
• A beep tone sounds when a signal is received on Channel 16.
r
To cancel Dualwatch/Tri-watch, push
[CH/WX•DUAL•U/I/C]
again.
DUALWATCH/TRI-WATCH SIMULATION
• If a signal is received on Channel 16, Dualwatch/Tri-watch
pauses on Channel 16 until the signal disappears.
• If a signal is received on the call channel during Tri-watch,
Tri-watch becomes Dualwatch until the signal disappears.
• To transmit on the selected channel during Dualwatch/Tri-
watch, push and hold
[PTT]
.
Dualwatch
Tri-watch
Call channel
[Example]:
Operating Tri-watch on INT Channel 25
25W
25W
INT
INT
DUP
DUP
TRI
TRI 16
16
34
34°34.506N
34.506N
123
123°23.236W
23.236W
UTC
UTC 12
12:00
:00 TELEPHONE
TELEPHONE
BUSY
BUSY 25W
25W
INT
INT
CALL
CALL
TAG
TAG
TRI
TRI 16
16
34
34°34.506N
34.506N
123
123°23.236W
23.236W
UTC
UTC 12
12:00
:00
CALLING
CALLING
Tri-watch starts.
Signal is received on call
channel.
BUSY
BUSY 25W
25W
INT
INT
DUP
DUP
TRI
TRI 16
16
34
34°34.506N
34.506N
123
123°23.236W
23.236W
UTC
UTC 12
12:00
:00 TELEPHONE
TELEPHONE
Signal received on Channel
16 takes priority.
25W
25W
INT
INT
DUP
DUP
TRI
TRI 16
16
34
34°34.506N
34.506N
123
123°23.236W
23.236W
UTC
UTC 12
12:00
:00 TELEPHONE
TELEPHONE
Tri-watch resumes after the
signal disappears.
Содержание iM504
Страница 1: ...INSTRUCTION MANUAL iM504 VHF MARINE TRANSCEIVER...
Страница 71: ...65 9 CONNECTIONS AND MAINTENANCE 9 Gasket Mounting base Cap Nut D D HM 162...
Страница 77: ...TEMPLATE HM 157 HM 162 Unit mm inch R12 Max MB 75 Cut here...
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Страница 80: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan A 6483H 1US q Printed in Japan 2006 Icom Inc...